Array ( [0] => Array ( [title] => L22A [link] => https://www.youtube.com/embed/8wSht5EqNQk ) [1] => Array ( [title] => L22B [link] => https://www.youtube.com/embed/9Aq3TIx7ICA ) [2] => Array ( [title] => L22C [link] => https://www.youtube.com/embed/AOTDPHx7CM4 ) [3] => Array ( [title] => L22D [link] => https://www.youtube.com/embed/hzWQEVJtKcQ ) ) 國立清華大學開放式課程OpenCourseWare(NTHU, OCW) - 第22R講 8.5 Improper integrals(cont.)